Stay together. Find your angle. Send six rival marbles over the edge.
Jade plays first. Three appearances of the same position with the same side to move end in a draw.
Keyboard: Tab between controls; on the board use arrow keys, Q/E for diagonals, Enter or Space to select. Escape clears your selection. Destination buttons offer every legal move.
Rules engine, starting arrangements and alpha-beta computer adapted from arrzdev/abalone, © 2026 arrz.dev, MIT. Commit d55c14bc16b0f8d39943b21173c70e6add913ee7. This is an independent static adaptation with a new interface and lessons.
The garden tabletop illustration was generated with a GPT image model and is bundled locally as an optimized WebP. Marbles and move markers are rendered by the app.
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